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1/*
2 * Copyright © 2006-2016 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 *
23 * Authors:
24 * Eric Anholt <eric@anholt.net>
25 *
26 */
27
28/*
29 * This information is private to VBT parsing in intel_bios.c.
30 *
31 * Please do NOT include anywhere else.
32 */
33#ifndef _INTEL_BIOS_PRIVATE
34#error "intel_vbt_defs.h is private to intel_bios.c"
35#endif
36
37#ifndef _INTEL_VBT_DEFS_H_
38#define _INTEL_VBT_DEFS_H_
39
40#include "intel_bios.h"
41
42/**
43 * struct vbt_header - VBT Header structure
44 * @signature: VBT signature, always starts with "$VBT"
45 * @version: Version of this structure
46 * @header_size: Size of this structure
47 * @vbt_size: Size of VBT (VBT Header, BDB Header and data blocks)
48 * @vbt_checksum: Checksum
49 * @reserved0: Reserved
50 * @bdb_offset: Offset of &struct bdb_header from beginning of VBT
51 * @aim_offset: Offsets of add-in data blocks from beginning of VBT
52 */
53struct vbt_header {
54 u8 signature[20];
55 u16 version;
56 u16 header_size;
57 u16 vbt_size;
58 u8 vbt_checksum;
59 u8 reserved0;
60 u32 bdb_offset;
61 u32 aim_offset[4];
62} __packed;
63
64/**
65 * struct bdb_header - BDB Header structure
66 * @signature: BDB signature "BIOS_DATA_BLOCK"
67 * @version: Version of the data block definitions
68 * @header_size: Size of this structure
69 * @bdb_size: Size of BDB (BDB Header and data blocks)
70 */
71struct bdb_header {
72 u8 signature[16];
73 u16 version;
74 u16 header_size;
75 u16 bdb_size;
76} __packed;
77
78/*
79 * There are several types of BIOS data blocks (BDBs), each block has
80 * an ID and size in the first 3 bytes (ID in first, size in next 2).
81 * Known types are listed below.
82 */
83enum bdb_block_id {
84 BDB_GENERAL_FEATURES = 1,
85 BDB_GENERAL_DEFINITIONS = 2,
86 BDB_OLD_TOGGLE_LIST = 3,
87 BDB_MODE_SUPPORT_LIST = 4,
88 BDB_GENERIC_MODE_TABLE = 5,
89 BDB_EXT_MMIO_REGS = 6,
90 BDB_SWF_IO = 7,
91 BDB_SWF_MMIO = 8,
92 BDB_PSR = 9,
93 BDB_MODE_REMOVAL_TABLE = 10,
94 BDB_CHILD_DEVICE_TABLE = 11,
95 BDB_DRIVER_FEATURES = 12,
96 BDB_DRIVER_PERSISTENCE = 13,
97 BDB_EXT_TABLE_PTRS = 14,
98 BDB_DOT_CLOCK_OVERRIDE = 15,
99 BDB_DISPLAY_SELECT = 16,
100 BDB_DRIVER_ROTATION = 18,
101 BDB_DISPLAY_REMOVE = 19,
102 BDB_OEM_CUSTOM = 20,
103 BDB_EFP_LIST = 21, /* workarounds for VGA hsync/vsync */
104 BDB_SDVO_LVDS_OPTIONS = 22,
105 BDB_SDVO_PANEL_DTDS = 23,
106 BDB_SDVO_LVDS_PNP_IDS = 24,
107 BDB_SDVO_LVDS_POWER_SEQ = 25,
108 BDB_TV_OPTIONS = 26,
109 BDB_EDP = 27,
110 BDB_LVDS_OPTIONS = 40,
111 BDB_LVDS_LFP_DATA_PTRS = 41,
112 BDB_LVDS_LFP_DATA = 42,
113 BDB_LVDS_BACKLIGHT = 43,
114 BDB_LFP_POWER = 44,
115 BDB_MIPI_CONFIG = 52,
116 BDB_MIPI_SEQUENCE = 53,
117 BDB_COMPRESSION_PARAMETERS = 56,
118 BDB_GENERIC_DTD = 58,
119 BDB_SKIP = 254, /* VBIOS private block, ignore */
120};
121
122/*
123 * Block 1 - General Bit Definitions
124 */
125
126struct bdb_general_features {
127 /* bits 1 */
128 u8 panel_fitting:2;
129 u8 flexaim:1;
130 u8 msg_enable:1;
131 u8 clear_screen:3;
132 u8 color_flip:1;
133
134 /* bits 2 */
135 u8 download_ext_vbt:1;
136 u8 enable_ssc:1;
137 u8 ssc_freq:1;
138 u8 enable_lfp_on_override:1;
139 u8 disable_ssc_ddt:1;
140 u8 underscan_vga_timings:1;
141 u8 display_clock_mode:1;
142 u8 vbios_hotplug_support:1;
143
144 /* bits 3 */
145 u8 disable_smooth_vision:1;
146 u8 single_dvi:1;
147 u8 rotate_180:1; /* 181 */
148 u8 fdi_rx_polarity_inverted:1;
149 u8 vbios_extended_mode:1; /* 160 */
150 u8 copy_ilfp_dtd_to_sdvo_lvds_dtd:1; /* 160 */
151 u8 panel_best_fit_timing:1; /* 160 */
152 u8 ignore_strap_state:1; /* 160 */
153
154 /* bits 4 */
155 u8 legacy_monitor_detect;
156
157 /* bits 5 */
158 u8 int_crt_support:1;
159 u8 int_tv_support:1;
160 u8 int_efp_support:1;
161 u8 dp_ssc_enable:1; /* PCH attached eDP supports SSC */
162 u8 dp_ssc_freq:1; /* SSC freq for PCH attached eDP */
163 u8 dp_ssc_dongle_supported:1;
164 u8 rsvd11:2; /* finish byte */
165} __packed;
166
167/*
168 * Block 2 - General Bytes Definition
169 */
170
171/* pre-915 */
172#define GPIO_PIN_DVI_LVDS 0x03 /* "DVI/LVDS DDC GPIO pins" */
173#define GPIO_PIN_ADD_I2C 0x05 /* "ADDCARD I2C GPIO pins" */
174#define GPIO_PIN_ADD_DDC 0x04 /* "ADDCARD DDC GPIO pins" */
175#define GPIO_PIN_ADD_DDC_I2C 0x06 /* "ADDCARD DDC/I2C GPIO pins" */
176
177/* Pre 915 */
178#define DEVICE_TYPE_NONE 0x00
179#define DEVICE_TYPE_CRT 0x01
180#define DEVICE_TYPE_TV 0x09
181#define DEVICE_TYPE_EFP 0x12
182#define DEVICE_TYPE_LFP 0x22
183/* On 915+ */
184#define DEVICE_TYPE_CRT_DPMS 0x6001
185#define DEVICE_TYPE_CRT_DPMS_HOTPLUG 0x4001
186#define DEVICE_TYPE_TV_COMPOSITE 0x0209
187#define DEVICE_TYPE_TV_MACROVISION 0x0289
188#define DEVICE_TYPE_TV_RF_COMPOSITE 0x020c
189#define DEVICE_TYPE_TV_SVIDEO_COMPOSITE 0x0609
190#define DEVICE_TYPE_TV_SCART 0x0209
191#define DEVICE_TYPE_TV_CODEC_HOTPLUG_PWR 0x6009
192#define DEVICE_TYPE_EFP_HOTPLUG_PWR 0x6012
193#define DEVICE_TYPE_EFP_DVI_HOTPLUG_PWR 0x6052
194#define DEVICE_TYPE_EFP_DVI_I 0x6053
195#define DEVICE_TYPE_EFP_DVI_D_DUAL 0x6152
196#define DEVICE_TYPE_EFP_DVI_D_HDCP 0x60d2
197#define DEVICE_TYPE_OPENLDI_HOTPLUG_PWR 0x6062
198#define DEVICE_TYPE_OPENLDI_DUALPIX 0x6162
199#define DEVICE_TYPE_LFP_PANELLINK 0x5012
200#define DEVICE_TYPE_LFP_CMOS_PWR 0x5042
201#define DEVICE_TYPE_LFP_LVDS_PWR 0x5062
202#define DEVICE_TYPE_LFP_LVDS_DUAL 0x5162
203#define DEVICE_TYPE_LFP_LVDS_DUAL_HDCP 0x51e2
204
205/* Add the device class for LFP, TV, HDMI */
206#define DEVICE_TYPE_INT_LFP 0x1022
207#define DEVICE_TYPE_INT_TV 0x1009
208#define DEVICE_TYPE_HDMI 0x60D2
209#define DEVICE_TYPE_DP 0x68C6
210#define DEVICE_TYPE_DP_DUAL_MODE 0x60D6
211#define DEVICE_TYPE_eDP 0x78C6
212
213#define DEVICE_TYPE_CLASS_EXTENSION (1 << 15)
214#define DEVICE_TYPE_POWER_MANAGEMENT (1 << 14)
215#define DEVICE_TYPE_HOTPLUG_SIGNALING (1 << 13)
216#define DEVICE_TYPE_INTERNAL_CONNECTOR (1 << 12)
217#define DEVICE_TYPE_NOT_HDMI_OUTPUT (1 << 11)
218#define DEVICE_TYPE_MIPI_OUTPUT (1 << 10)
219#define DEVICE_TYPE_COMPOSITE_OUTPUT (1 << 9)
220#define DEVICE_TYPE_DUAL_CHANNEL (1 << 8)
221#define DEVICE_TYPE_HIGH_SPEED_LINK (1 << 6)
222#define DEVICE_TYPE_LVDS_SIGNALING (1 << 5)
223#define DEVICE_TYPE_TMDS_DVI_SIGNALING (1 << 4)
224#define DEVICE_TYPE_VIDEO_SIGNALING (1 << 3)
225#define DEVICE_TYPE_DISPLAYPORT_OUTPUT (1 << 2)
226#define DEVICE_TYPE_DIGITAL_OUTPUT (1 << 1)
227#define DEVICE_TYPE_ANALOG_OUTPUT (1 << 0)
228
229/*
230 * Bits we care about when checking for DEVICE_TYPE_eDP. Depending on the
231 * system, the other bits may or may not be set for eDP outputs.
232 */
233#define DEVICE_TYPE_eDP_BITS \
234 (DEVICE_TYPE_INTERNAL_CONNECTOR | \
235 DEVICE_TYPE_MIPI_OUTPUT | \
236 DEVICE_TYPE_COMPOSITE_OUTPUT | \
237 DEVICE_TYPE_DUAL_CHANNEL | \
238 DEVICE_TYPE_LVDS_SIGNALING | \
239 DEVICE_TYPE_TMDS_DVI_SIGNALING | \
240 DEVICE_TYPE_VIDEO_SIGNALING | \
241 DEVICE_TYPE_DISPLAYPORT_OUTPUT | \
242 DEVICE_TYPE_ANALOG_OUTPUT)
243
244#define DEVICE_TYPE_DP_DUAL_MODE_BITS \
245 (DEVICE_TYPE_INTERNAL_CONNECTOR | \
246 DEVICE_TYPE_MIPI_OUTPUT | \
247 DEVICE_TYPE_COMPOSITE_OUTPUT | \
248 DEVICE_TYPE_LVDS_SIGNALING | \
249 DEVICE_TYPE_TMDS_DVI_SIGNALING | \
250 DEVICE_TYPE_VIDEO_SIGNALING | \
251 DEVICE_TYPE_DISPLAYPORT_OUTPUT | \
252 DEVICE_TYPE_DIGITAL_OUTPUT | \
253 DEVICE_TYPE_ANALOG_OUTPUT)
254
255#define DEVICE_CFG_NONE 0x00
256#define DEVICE_CFG_12BIT_DVOB 0x01
257#define DEVICE_CFG_12BIT_DVOC 0x02
258#define DEVICE_CFG_24BIT_DVOBC 0x09
259#define DEVICE_CFG_24BIT_DVOCB 0x0a
260#define DEVICE_CFG_DUAL_DVOB 0x11
261#define DEVICE_CFG_DUAL_DVOC 0x12
262#define DEVICE_CFG_DUAL_DVOBC 0x13
263#define DEVICE_CFG_DUAL_LINK_DVOBC 0x19
264#define DEVICE_CFG_DUAL_LINK_DVOCB 0x1a
265
266#define DEVICE_WIRE_NONE 0x00
267#define DEVICE_WIRE_DVOB 0x01
268#define DEVICE_WIRE_DVOC 0x02
269#define DEVICE_WIRE_DVOBC 0x03
270#define DEVICE_WIRE_DVOBB 0x05
271#define DEVICE_WIRE_DVOCC 0x06
272#define DEVICE_WIRE_DVOB_MASTER 0x0d
273#define DEVICE_WIRE_DVOC_MASTER 0x0e
274
275/* dvo_port pre BDB 155 */
276#define DEVICE_PORT_DVOA 0x00 /* none on 845+ */
277#define DEVICE_PORT_DVOB 0x01
278#define DEVICE_PORT_DVOC 0x02
279
280/* dvo_port BDB 155+ */
281#define DVO_PORT_HDMIA 0
282#define DVO_PORT_HDMIB 1
283#define DVO_PORT_HDMIC 2
284#define DVO_PORT_HDMID 3
285#define DVO_PORT_LVDS 4
286#define DVO_PORT_TV 5
287#define DVO_PORT_CRT 6
288#define DVO_PORT_DPB 7
289#define DVO_PORT_DPC 8
290#define DVO_PORT_DPD 9
291#define DVO_PORT_DPA 10
292#define DVO_PORT_DPE 11 /* 193 */
293#define DVO_PORT_HDMIE 12 /* 193 */
294#define DVO_PORT_DPF 13 /* N/A */
295#define DVO_PORT_HDMIF 14 /* N/A */
296#define DVO_PORT_DPG 15 /* 217 */
297#define DVO_PORT_HDMIG 16 /* 217 */
298#define DVO_PORT_DPH 17 /* 217 */
299#define DVO_PORT_HDMIH 18 /* 217 */
300#define DVO_PORT_DPI 19 /* 217 */
301#define DVO_PORT_HDMII 20 /* 217 */
302#define DVO_PORT_MIPIA 21 /* 171 */
303#define DVO_PORT_MIPIB 22 /* 171 */
304#define DVO_PORT_MIPIC 23 /* 171 */
305#define DVO_PORT_MIPID 24 /* 171 */
306
307#define HDMI_MAX_DATA_RATE_PLATFORM 0 /* 204 */
308#define HDMI_MAX_DATA_RATE_297 1 /* 204 */
309#define HDMI_MAX_DATA_RATE_165 2 /* 204 */
310
311#define LEGACY_CHILD_DEVICE_CONFIG_SIZE 33
312
313/* DDC Bus DDI Type 155+ */
314enum vbt_gmbus_ddi {
315 DDC_BUS_DDI_B = 0x1,
316 DDC_BUS_DDI_C,
317 DDC_BUS_DDI_D,
318 DDC_BUS_DDI_F,
319 ICL_DDC_BUS_DDI_A = 0x1,
320 ICL_DDC_BUS_DDI_B,
321 TGL_DDC_BUS_DDI_C,
322 RKL_DDC_BUS_DDI_D = 0x3,
323 RKL_DDC_BUS_DDI_E,
324 ICL_DDC_BUS_PORT_1 = 0x4,
325 ICL_DDC_BUS_PORT_2,
326 ICL_DDC_BUS_PORT_3,
327 ICL_DDC_BUS_PORT_4,
328 TGL_DDC_BUS_PORT_5,
329 TGL_DDC_BUS_PORT_6,
330 ADLS_DDC_BUS_PORT_TC1 = 0x2,
331 ADLS_DDC_BUS_PORT_TC2,
332 ADLS_DDC_BUS_PORT_TC3,
333 ADLS_DDC_BUS_PORT_TC4
334};
335
336#define DP_AUX_A 0x40
337#define DP_AUX_B 0x10
338#define DP_AUX_C 0x20
339#define DP_AUX_D 0x30
340#define DP_AUX_E 0x50
341#define DP_AUX_F 0x60
342#define DP_AUX_G 0x70
343#define DP_AUX_H 0x80
344#define DP_AUX_I 0x90
345
346/* DP max link rate 216+ */
347#define BDB_216_VBT_DP_MAX_LINK_RATE_HBR3 0
348#define BDB_216_VBT_DP_MAX_LINK_RATE_HBR2 1
349#define BDB_216_VBT_DP_MAX_LINK_RATE_HBR 2
350#define BDB_216_VBT_DP_MAX_LINK_RATE_LBR 3
351
352/* DP max link rate 230+ */
353#define BDB_230_VBT_DP_MAX_LINK_RATE_DEF 0
354#define BDB_230_VBT_DP_MAX_LINK_RATE_LBR 1
355#define BDB_230_VBT_DP_MAX_LINK_RATE_HBR 2
356#define BDB_230_VBT_DP_MAX_LINK_RATE_HBR2 3
357#define BDB_230_VBT_DP_MAX_LINK_RATE_HBR3 4
358#define BDB_230_VBT_DP_MAX_LINK_RATE_UHBR10 5
359#define BDB_230_VBT_DP_MAX_LINK_RATE_UHBR13P5 6
360#define BDB_230_VBT_DP_MAX_LINK_RATE_UHBR20 7
361
362/*
363 * The child device config, aka the display device data structure, provides a
364 * description of a port and its configuration on the platform.
365 *
366 * The child device config size has been increased, and fields have been added
367 * and their meaning has changed over time. Care must be taken when accessing
368 * basically any of the fields to ensure the correct interpretation for the BDB
369 * version in question.
370 *
371 * When we copy the child device configs to dev_priv->vbt.child_dev, we reserve
372 * space for the full structure below, and initialize the tail not actually
373 * present in VBT to zeros. Accessing those fields is fine, as long as the
374 * default zero is taken into account, again according to the BDB version.
375 *
376 * BDB versions 155 and below are considered legacy, and version 155 seems to be
377 * a baseline for some of the VBT documentation. When adding new fields, please
378 * include the BDB version when the field was added, if it's above that.
379 */
380struct child_device_config {
381 u16 handle;
382 u16 device_type; /* See DEVICE_TYPE_* above */
383
384 union {
385 u8 device_id[10]; /* ascii string */
386 struct {
387 u8 i2c_speed;
388 u8 dp_onboard_redriver; /* 158 */
389 u8 dp_ondock_redriver; /* 158 */
390 u8 hdmi_level_shifter_value:5; /* 169 */
391 u8 hdmi_max_data_rate:3; /* 204 */
392 u16 dtd_buf_ptr; /* 161 */
393 u8 edidless_efp:1; /* 161 */
394 u8 compression_enable:1; /* 198 */
395 u8 compression_method_cps:1; /* 198 */
396 u8 ganged_edp:1; /* 202 */
397 u8 reserved0:4;
398 u8 compression_structure_index:4; /* 198 */
399 u8 reserved1:4;
400 u8 slave_port; /* 202 */
401 u8 reserved2;
402 } __packed;
403 } __packed;
404
405 u16 addin_offset;
406 u8 dvo_port; /* See DEVICE_PORT_* and DVO_PORT_* above */
407 u8 i2c_pin;
408 u8 slave_addr;
409 u8 ddc_pin;
410 u16 edid_ptr;
411 u8 dvo_cfg; /* See DEVICE_CFG_* above */
412
413 union {
414 struct {
415 u8 dvo2_port;
416 u8 i2c2_pin;
417 u8 slave2_addr;
418 u8 ddc2_pin;
419 } __packed;
420 struct {
421 u8 efp_routed:1; /* 158 */
422 u8 lane_reversal:1; /* 184 */
423 u8 lspcon:1; /* 192 */
424 u8 iboost:1; /* 196 */
425 u8 hpd_invert:1; /* 196 */
426 u8 use_vbt_vswing:1; /* 218 */
427 u8 flag_reserved:2;
428 u8 hdmi_support:1; /* 158 */
429 u8 dp_support:1; /* 158 */
430 u8 tmds_support:1; /* 158 */
431 u8 support_reserved:5;
432 u8 aux_channel;
433 u8 dongle_detect;
434 } __packed;
435 } __packed;
436
437 u8 pipe_cap:2;
438 u8 sdvo_stall:1; /* 158 */
439 u8 hpd_status:2;
440 u8 integrated_encoder:1;
441 u8 capabilities_reserved:2;
442 u8 dvo_wiring; /* See DEVICE_WIRE_* above */
443
444 union {
445 u8 dvo2_wiring;
446 u8 mipi_bridge_type; /* 171 */
447 } __packed;
448
449 u16 extended_type;
450 u8 dvo_function;
451 u8 dp_usb_type_c:1; /* 195 */
452 u8 tbt:1; /* 209 */
453 u8 flags2_reserved:2; /* 195 */
454 u8 dp_port_trace_length:4; /* 209 */
455 u8 dp_gpio_index; /* 195 */
456 u16 dp_gpio_pin_num; /* 195 */
457 u8 dp_iboost_level:4; /* 196 */
458 u8 hdmi_iboost_level:4; /* 196 */
459 u8 dp_max_link_rate:3; /* 216/230 CNL+ */
460 u8 dp_max_link_rate_reserved:5; /* 216/230 */
461} __packed;
462
463struct bdb_general_definitions {
464 /* DDC GPIO */
465 u8 crt_ddc_gmbus_pin;
466
467 /* DPMS bits */
468 u8 dpms_acpi:1;
469 u8 skip_boot_crt_detect:1;
470 u8 dpms_aim:1;
471 u8 rsvd1:5; /* finish byte */
472
473 /* boot device bits */
474 u8 boot_display[2];
475 u8 child_dev_size;
476
477 /*
478 * Device info:
479 * If TV is present, it'll be at devices[0].
480 * LVDS will be next, either devices[0] or [1], if present.
481 * On some platforms the number of device is 6. But could be as few as
482 * 4 if both TV and LVDS are missing.
483 * And the device num is related with the size of general definition
484 * block. It is obtained by using the following formula:
485 * number = (block_size - sizeof(bdb_general_definitions))/
486 * defs->child_dev_size;
487 */
488 u8 devices[];
489} __packed;
490
491/*
492 * Block 9 - SRD Feature Block
493 */
494
495struct psr_table {
496 /* Feature bits */
497 u8 full_link:1;
498 u8 require_aux_to_wakeup:1;
499 u8 feature_bits_rsvd:6;
500
501 /* Wait times */
502 u8 idle_frames:4;
503 u8 lines_to_wait:3;
504 u8 wait_times_rsvd:1;
505
506 /* TP wake up time in multiple of 100 */
507 u16 tp1_wakeup_time;
508 u16 tp2_tp3_wakeup_time;
509} __packed;
510
511struct bdb_psr {
512 struct psr_table psr_table[16];
513
514 /* PSR2 TP2/TP3 wakeup time for 16 panels */
515 u32 psr2_tp2_tp3_wakeup_time;
516} __packed;
517
518/*
519 * Block 12 - Driver Features Data Block
520 */
521
522#define BDB_DRIVER_FEATURE_NO_LVDS 0
523#define BDB_DRIVER_FEATURE_INT_LVDS 1
524#define BDB_DRIVER_FEATURE_SDVO_LVDS 2
525#define BDB_DRIVER_FEATURE_INT_SDVO_LVDS 3
526
527struct bdb_driver_features {
528 u8 boot_dev_algorithm:1;
529 u8 block_display_switch:1;
530 u8 allow_display_switch:1;
531 u8 hotplug_dvo:1;
532 u8 dual_view_zoom:1;
533 u8 int15h_hook:1;
534 u8 sprite_in_clone:1;
535 u8 primary_lfp_id:1;
536
537 u16 boot_mode_x;
538 u16 boot_mode_y;
539 u8 boot_mode_bpp;
540 u8 boot_mode_refresh;
541
542 u16 enable_lfp_primary:1;
543 u16 selective_mode_pruning:1;
544 u16 dual_frequency:1;
545 u16 render_clock_freq:1; /* 0: high freq; 1: low freq */
546 u16 nt_clone_support:1;
547 u16 power_scheme_ui:1; /* 0: CUI; 1: 3rd party */
548 u16 sprite_display_assign:1; /* 0: secondary; 1: primary */
549 u16 cui_aspect_scaling:1;
550 u16 preserve_aspect_ratio:1;
551 u16 sdvo_device_power_down:1;
552 u16 crt_hotplug:1;
553 u16 lvds_config:2;
554 u16 tv_hotplug:1;
555 u16 hdmi_config:2;
556
557 u8 static_display:1;
558 u8 reserved2:7;
559 u16 legacy_crt_max_x;
560 u16 legacy_crt_max_y;
561 u8 legacy_crt_max_refresh;
562
563 u8 hdmi_termination;
564 u8 custom_vbt_version;
565 /* Driver features data block */
566 u16 rmpm_enabled:1;
567 u16 s2ddt_enabled:1;
568 u16 dpst_enabled:1;
569 u16 bltclt_enabled:1;
570 u16 adb_enabled:1;
571 u16 drrs_enabled:1;
572 u16 grs_enabled:1;
573 u16 gpmt_enabled:1;
574 u16 tbt_enabled:1;
575 u16 psr_enabled:1;
576 u16 ips_enabled:1;
577 u16 reserved3:4;
578 u16 pc_feature_valid:1;
579} __packed;
580
581/*
582 * Block 22 - SDVO LVDS General Options
583 */
584
585struct bdb_sdvo_lvds_options {
586 u8 panel_backlight;
587 u8 h40_set_panel_type;
588 u8 panel_type;
589 u8 ssc_clk_freq;
590 u16 als_low_trip;
591 u16 als_high_trip;
592 u8 sclalarcoeff_tab_row_num;
593 u8 sclalarcoeff_tab_row_size;
594 u8 coefficient[8];
595 u8 panel_misc_bits_1;
596 u8 panel_misc_bits_2;
597 u8 panel_misc_bits_3;
598 u8 panel_misc_bits_4;
599} __packed;
600
601/*
602 * Block 23 - SDVO LVDS Panel DTDs
603 */
604
605struct lvds_dvo_timing {
606 u16 clock; /**< In 10khz */
607 u8 hactive_lo;
608 u8 hblank_lo;
609 u8 hblank_hi:4;
610 u8 hactive_hi:4;
611 u8 vactive_lo;
612 u8 vblank_lo;
613 u8 vblank_hi:4;
614 u8 vactive_hi:4;
615 u8 hsync_off_lo;
616 u8 hsync_pulse_width_lo;
617 u8 vsync_pulse_width_lo:4;
618 u8 vsync_off_lo:4;
619 u8 vsync_pulse_width_hi:2;
620 u8 vsync_off_hi:2;
621 u8 hsync_pulse_width_hi:2;
622 u8 hsync_off_hi:2;
623 u8 himage_lo;
624 u8 vimage_lo;
625 u8 vimage_hi:4;
626 u8 himage_hi:4;
627 u8 h_border;
628 u8 v_border;
629 u8 rsvd1:3;
630 u8 digital:2;
631 u8 vsync_positive:1;
632 u8 hsync_positive:1;
633 u8 non_interlaced:1;
634} __packed;
635
636struct bdb_sdvo_panel_dtds {
637 struct lvds_dvo_timing dtds[4];
638} __packed;
639
640/*
641 * Block 27 - eDP VBT Block
642 */
643
644#define EDP_18BPP 0
645#define EDP_24BPP 1
646#define EDP_30BPP 2
647#define EDP_RATE_1_62 0
648#define EDP_RATE_2_7 1
649#define EDP_LANE_1 0
650#define EDP_LANE_2 1
651#define EDP_LANE_4 3
652#define EDP_PREEMPHASIS_NONE 0
653#define EDP_PREEMPHASIS_3_5dB 1
654#define EDP_PREEMPHASIS_6dB 2
655#define EDP_PREEMPHASIS_9_5dB 3
656#define EDP_VSWING_0_4V 0
657#define EDP_VSWING_0_6V 1
658#define EDP_VSWING_0_8V 2
659#define EDP_VSWING_1_2V 3
660
661
662struct edp_fast_link_params {
663 u8 rate:4;
664 u8 lanes:4;
665 u8 preemphasis:4;
666 u8 vswing:4;
667} __packed;
668
669struct edp_pwm_delays {
670 u16 pwm_on_to_backlight_enable;
671 u16 backlight_disable_to_pwm_off;
672} __packed;
673
674struct edp_full_link_params {
675 u8 preemphasis:4;
676 u8 vswing:4;
677} __packed;
678
679struct bdb_edp {
680 struct edp_power_seq power_seqs[16];
681 u32 color_depth;
682 struct edp_fast_link_params fast_link_params[16];
683 u32 sdrrs_msa_timing_delay;
684
685 /* ith bit indicates enabled/disabled for (i+1)th panel */
686 u16 edp_s3d_feature; /* 162 */
687 u16 edp_t3_optimization; /* 165 */
688 u64 edp_vswing_preemph; /* 173 */
689 u16 fast_link_training; /* 182 */
690 u16 dpcd_600h_write_required; /* 185 */
691 struct edp_pwm_delays pwm_delays[16]; /* 186 */
692 u16 full_link_params_provided; /* 199 */
693 struct edp_full_link_params full_link_params[16]; /* 199 */
694} __packed;
695
696/*
697 * Block 40 - LFP Data Block
698 */
699
700/* Mask for DRRS / Panel Channel / SSC / BLT control bits extraction */
701#define MODE_MASK 0x3
702
703struct bdb_lvds_options {
704 u8 panel_type;
705 u8 panel_type2; /* 212 */
706 /* LVDS capabilities, stored in a dword */
707 u8 pfit_mode:2;
708 u8 pfit_text_mode_enhanced:1;
709 u8 pfit_gfx_mode_enhanced:1;
710 u8 pfit_ratio_auto:1;
711 u8 pixel_dither:1;
712 u8 lvds_edid:1;
713 u8 rsvd2:1;
714 u8 rsvd4;
715 /* LVDS Panel channel bits stored here */
716 u32 lvds_panel_channel_bits;
717 /* LVDS SSC (Spread Spectrum Clock) bits stored here. */
718 u16 ssc_bits;
719 u16 ssc_freq;
720 u16 ssc_ddt;
721 /* Panel color depth defined here */
722 u16 panel_color_depth;
723 /* LVDS panel type bits stored here */
724 u32 dps_panel_type_bits;
725 /* LVDS backlight control type bits stored here */
726 u32 blt_control_type_bits;
727
728 u16 lcdvcc_s0_enable; /* 200 */
729 u32 rotation; /* 228 */
730} __packed;
731
732/*
733 * Block 41 - LFP Data Table Pointers
734 */
735
736/* LFP pointer table contains entries to the struct below */
737struct lvds_lfp_data_ptr {
738 u16 fp_timing_offset; /* offsets are from start of bdb */
739 u8 fp_table_size;
740 u16 dvo_timing_offset;
741 u8 dvo_table_size;
742 u16 panel_pnp_id_offset;
743 u8 pnp_table_size;
744} __packed;
745
746struct bdb_lvds_lfp_data_ptrs {
747 u8 lvds_entries; /* followed by one or more lvds_data_ptr structs */
748 struct lvds_lfp_data_ptr ptr[16];
749} __packed;
750
751/*
752 * Block 42 - LFP Data Tables
753 */
754
755/* LFP data has 3 blocks per entry */
756struct lvds_fp_timing {
757 u16 x_res;
758 u16 y_res;
759 u32 lvds_reg;
760 u32 lvds_reg_val;
761 u32 pp_on_reg;
762 u32 pp_on_reg_val;
763 u32 pp_off_reg;
764 u32 pp_off_reg_val;
765 u32 pp_cycle_reg;
766 u32 pp_cycle_reg_val;
767 u32 pfit_reg;
768 u32 pfit_reg_val;
769 u16 terminator;
770} __packed;
771
772struct lvds_pnp_id {
773 u16 mfg_name;
774 u16 product_code;
775 u32 serial;
776 u8 mfg_week;
777 u8 mfg_year;
778} __packed;
779
780struct lvds_lfp_data_entry {
781 struct lvds_fp_timing fp_timing;
782 struct lvds_dvo_timing dvo_timing;
783 struct lvds_pnp_id pnp_id;
784} __packed;
785
786struct bdb_lvds_lfp_data {
787 struct lvds_lfp_data_entry data[16];
788} __packed;
789
790/*
791 * Block 43 - LFP Backlight Control Data Block
792 */
793
794#define BDB_BACKLIGHT_TYPE_NONE 0
795#define BDB_BACKLIGHT_TYPE_PWM 2
796
797struct lfp_backlight_data_entry {
798 u8 type:2;
799 u8 active_low_pwm:1;
800 u8 obsolete1:5;
801 u16 pwm_freq_hz;
802 u8 min_brightness; /* Obsolete from 234+ */
803 u8 obsolete2;
804 u8 obsolete3;
805} __packed;
806
807struct lfp_backlight_control_method {
808 u8 type:4;
809 u8 controller:4;
810} __packed;
811
812struct lfp_brightness_level {
813 u16 level;
814 u16 reserved;
815} __packed;
816
817#define EXP_BDB_LFP_BL_DATA_SIZE_REV_191 \
818 offsetof(struct bdb_lfp_backlight_data, brightness_level)
819#define EXP_BDB_LFP_BL_DATA_SIZE_REV_234 \
820 offsetof(struct bdb_lfp_backlight_data, brightness_precision_bits)
821
822struct bdb_lfp_backlight_data {
823 u8 entry_size;
824 struct lfp_backlight_data_entry data[16];
825 u8 level[16]; /* Obsolete from 234+ */
826 struct lfp_backlight_control_method backlight_control[16];
827 struct lfp_brightness_level brightness_level[16]; /* 234+ */
828 struct lfp_brightness_level brightness_min_level[16]; /* 234+ */
829 u8 brightness_precision_bits[16]; /* 236+ */
830} __packed;
831
832/*
833 * Block 44 - LFP Power Conservation Features Block
834 */
835
836struct als_data_entry {
837 u16 backlight_adjust;
838 u16 lux;
839} __packed;
840
841struct agressiveness_profile_entry {
842 u8 dpst_agressiveness : 4;
843 u8 lace_agressiveness : 4;
844} __packed;
845
846struct bdb_lfp_power {
847 u8 lfp_feature_bits;
848 struct als_data_entry als[5];
849 u8 lace_aggressiveness_profile;
850 u16 dpst;
851 u16 psr;
852 u16 drrs;
853 u16 lace_support;
854 u16 adt;
855 u16 dmrrs;
856 u16 adb;
857 u16 lace_enabled_status;
858 struct agressiveness_profile_entry aggressivenes[16];
859 u16 hobl; /* 232+ */
860 u16 vrr_feature_enabled; /* 233+ */
861} __packed;
862
863/*
864 * Block 52 - MIPI Configuration Block
865 */
866
867#define MAX_MIPI_CONFIGURATIONS 6
868
869struct bdb_mipi_config {
870 struct mipi_config config[MAX_MIPI_CONFIGURATIONS];
871 struct mipi_pps_data pps[MAX_MIPI_CONFIGURATIONS];
872} __packed;
873
874/*
875 * Block 53 - MIPI Sequence Block
876 */
877
878struct bdb_mipi_sequence {
879 u8 version;
880 u8 data[]; /* up to 6 variable length blocks */
881} __packed;
882
883/*
884 * Block 56 - Compression Parameters
885 */
886
887#define VBT_RC_BUFFER_BLOCK_SIZE_1KB 0
888#define VBT_RC_BUFFER_BLOCK_SIZE_4KB 1
889#define VBT_RC_BUFFER_BLOCK_SIZE_16KB 2
890#define VBT_RC_BUFFER_BLOCK_SIZE_64KB 3
891
892#define VBT_DSC_LINE_BUFFER_DEPTH(vbt_value) ((vbt_value) + 8) /* bits */
893#define VBT_DSC_MAX_BPP(vbt_value) (6 + (vbt_value) * 2)
894
895struct dsc_compression_parameters_entry {
896 u8 version_major:4;
897 u8 version_minor:4;
898
899 u8 rc_buffer_block_size:2;
900 u8 reserved1:6;
901
902 /*
903 * Buffer size in bytes:
904 *
905 * 4 ^ rc_buffer_block_size * 1024 * (rc_buffer_size + 1) bytes
906 */
907 u8 rc_buffer_size;
908 u32 slices_per_line;
909
910 u8 line_buffer_depth:4;
911 u8 reserved2:4;
912
913 /* Flag Bits 1 */
914 u8 block_prediction_enable:1;
915 u8 reserved3:7;
916
917 u8 max_bpp; /* mapping */
918
919 /* Color depth capabilities */
920 u8 reserved4:1;
921 u8 support_8bpc:1;
922 u8 support_10bpc:1;
923 u8 support_12bpc:1;
924 u8 reserved5:4;
925
926 u16 slice_height;
927} __packed;
928
929struct bdb_compression_parameters {
930 u16 entry_size;
931 struct dsc_compression_parameters_entry data[16];
932} __packed;
933
934/*
935 * Block 58 - Generic DTD Block
936 */
937
938struct generic_dtd_entry {
939 u32 pixel_clock;
940 u16 hactive;
941 u16 hblank;
942 u16 hfront_porch;
943 u16 hsync;
944 u16 vactive;
945 u16 vblank;
946 u16 vfront_porch;
947 u16 vsync;
948 u16 width_mm;
949 u16 height_mm;
950
951 /* Flags */
952 u8 rsvd_flags:6;
953 u8 vsync_positive_polarity:1;
954 u8 hsync_positive_polarity:1;
955
956 u8 rsvd[3];
957} __packed;
958
959struct bdb_generic_dtd {
960 u16 gdtd_size;
961 struct generic_dtd_entry dtd[]; /* up to 24 DTD's */
962} __packed;
963
964#endif /* _INTEL_VBT_DEFS_H_ */
1/*
2 * Copyright © 2006-2016 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 *
23 * Authors:
24 * Eric Anholt <eric@anholt.net>
25 *
26 */
27
28/*
29 * This information is private to VBT parsing in intel_bios.c.
30 *
31 * Please do NOT include anywhere else.
32 */
33#ifndef _INTEL_BIOS_PRIVATE
34#error "intel_vbt_defs.h is private to intel_bios.c"
35#endif
36
37#ifndef _INTEL_VBT_DEFS_H_
38#define _INTEL_VBT_DEFS_H_
39
40#include "intel_bios.h"
41
42/**
43 * struct vbt_header - VBT Header structure
44 * @signature: VBT signature, always starts with "$VBT"
45 * @version: Version of this structure
46 * @header_size: Size of this structure
47 * @vbt_size: Size of VBT (VBT Header, BDB Header and data blocks)
48 * @vbt_checksum: Checksum
49 * @reserved0: Reserved
50 * @bdb_offset: Offset of &struct bdb_header from beginning of VBT
51 * @aim_offset: Offsets of add-in data blocks from beginning of VBT
52 */
53struct vbt_header {
54 u8 signature[20];
55 u16 version;
56 u16 header_size;
57 u16 vbt_size;
58 u8 vbt_checksum;
59 u8 reserved0;
60 u32 bdb_offset;
61 u32 aim_offset[4];
62} __packed;
63
64/**
65 * struct bdb_header - BDB Header structure
66 * @signature: BDB signature "BIOS_DATA_BLOCK"
67 * @version: Version of the data block definitions
68 * @header_size: Size of this structure
69 * @bdb_size: Size of BDB (BDB Header and data blocks)
70 */
71struct bdb_header {
72 u8 signature[16];
73 u16 version;
74 u16 header_size;
75 u16 bdb_size;
76} __packed;
77
78/*
79 * There are several types of BIOS data blocks (BDBs), each block has
80 * an ID and size in the first 3 bytes (ID in first, size in next 2).
81 * Known types are listed below.
82 */
83enum bdb_block_id {
84 BDB_GENERAL_FEATURES = 1,
85 BDB_GENERAL_DEFINITIONS = 2,
86 BDB_OLD_TOGGLE_LIST = 3,
87 BDB_MODE_SUPPORT_LIST = 4,
88 BDB_GENERIC_MODE_TABLE = 5,
89 BDB_EXT_MMIO_REGS = 6,
90 BDB_SWF_IO = 7,
91 BDB_SWF_MMIO = 8,
92 BDB_PSR = 9,
93 BDB_MODE_REMOVAL_TABLE = 10,
94 BDB_CHILD_DEVICE_TABLE = 11,
95 BDB_DRIVER_FEATURES = 12,
96 BDB_DRIVER_PERSISTENCE = 13,
97 BDB_EXT_TABLE_PTRS = 14,
98 BDB_DOT_CLOCK_OVERRIDE = 15,
99 BDB_DISPLAY_SELECT = 16,
100 BDB_DRIVER_ROTATION = 18,
101 BDB_DISPLAY_REMOVE = 19,
102 BDB_OEM_CUSTOM = 20,
103 BDB_EFP_LIST = 21, /* workarounds for VGA hsync/vsync */
104 BDB_SDVO_LVDS_OPTIONS = 22,
105 BDB_SDVO_PANEL_DTDS = 23,
106 BDB_SDVO_LVDS_PNP_IDS = 24,
107 BDB_SDVO_LVDS_POWER_SEQ = 25,
108 BDB_TV_OPTIONS = 26,
109 BDB_EDP = 27,
110 BDB_LVDS_OPTIONS = 40,
111 BDB_LVDS_LFP_DATA_PTRS = 41,
112 BDB_LVDS_LFP_DATA = 42,
113 BDB_LVDS_BACKLIGHT = 43,
114 BDB_LFP_POWER = 44,
115 BDB_MIPI_CONFIG = 52,
116 BDB_MIPI_SEQUENCE = 53,
117 BDB_COMPRESSION_PARAMETERS = 56,
118 BDB_GENERIC_DTD = 58,
119 BDB_SKIP = 254, /* VBIOS private block, ignore */
120};
121
122/*
123 * Block 1 - General Bit Definitions
124 */
125
126struct bdb_general_features {
127 /* bits 1 */
128 u8 panel_fitting:2;
129 u8 flexaim:1;
130 u8 msg_enable:1;
131 u8 clear_screen:3;
132 u8 color_flip:1;
133
134 /* bits 2 */
135 u8 download_ext_vbt:1;
136 u8 enable_ssc:1;
137 u8 ssc_freq:1;
138 u8 enable_lfp_on_override:1;
139 u8 disable_ssc_ddt:1;
140 u8 underscan_vga_timings:1;
141 u8 display_clock_mode:1;
142 u8 vbios_hotplug_support:1;
143
144 /* bits 3 */
145 u8 disable_smooth_vision:1;
146 u8 single_dvi:1;
147 u8 rotate_180:1; /* 181 */
148 u8 fdi_rx_polarity_inverted:1;
149 u8 vbios_extended_mode:1; /* 160 */
150 u8 copy_ilfp_dtd_to_sdvo_lvds_dtd:1; /* 160 */
151 u8 panel_best_fit_timing:1; /* 160 */
152 u8 ignore_strap_state:1; /* 160 */
153
154 /* bits 4 */
155 u8 legacy_monitor_detect;
156
157 /* bits 5 */
158 u8 int_crt_support:1;
159 u8 int_tv_support:1;
160 u8 int_efp_support:1;
161 u8 dp_ssc_enable:1; /* PCH attached eDP supports SSC */
162 u8 dp_ssc_freq:1; /* SSC freq for PCH attached eDP */
163 u8 dp_ssc_dongle_supported:1;
164 u8 rsvd11:2; /* finish byte */
165} __packed;
166
167/*
168 * Block 2 - General Bytes Definition
169 */
170
171/* pre-915 */
172#define GPIO_PIN_DVI_LVDS 0x03 /* "DVI/LVDS DDC GPIO pins" */
173#define GPIO_PIN_ADD_I2C 0x05 /* "ADDCARD I2C GPIO pins" */
174#define GPIO_PIN_ADD_DDC 0x04 /* "ADDCARD DDC GPIO pins" */
175#define GPIO_PIN_ADD_DDC_I2C 0x06 /* "ADDCARD DDC/I2C GPIO pins" */
176
177/* Pre 915 */
178#define DEVICE_TYPE_NONE 0x00
179#define DEVICE_TYPE_CRT 0x01
180#define DEVICE_TYPE_TV 0x09
181#define DEVICE_TYPE_EFP 0x12
182#define DEVICE_TYPE_LFP 0x22
183/* On 915+ */
184#define DEVICE_TYPE_CRT_DPMS 0x6001
185#define DEVICE_TYPE_CRT_DPMS_HOTPLUG 0x4001
186#define DEVICE_TYPE_TV_COMPOSITE 0x0209
187#define DEVICE_TYPE_TV_MACROVISION 0x0289
188#define DEVICE_TYPE_TV_RF_COMPOSITE 0x020c
189#define DEVICE_TYPE_TV_SVIDEO_COMPOSITE 0x0609
190#define DEVICE_TYPE_TV_SCART 0x0209
191#define DEVICE_TYPE_TV_CODEC_HOTPLUG_PWR 0x6009
192#define DEVICE_TYPE_EFP_HOTPLUG_PWR 0x6012
193#define DEVICE_TYPE_EFP_DVI_HOTPLUG_PWR 0x6052
194#define DEVICE_TYPE_EFP_DVI_I 0x6053
195#define DEVICE_TYPE_EFP_DVI_D_DUAL 0x6152
196#define DEVICE_TYPE_EFP_DVI_D_HDCP 0x60d2
197#define DEVICE_TYPE_OPENLDI_HOTPLUG_PWR 0x6062
198#define DEVICE_TYPE_OPENLDI_DUALPIX 0x6162
199#define DEVICE_TYPE_LFP_PANELLINK 0x5012
200#define DEVICE_TYPE_LFP_CMOS_PWR 0x5042
201#define DEVICE_TYPE_LFP_LVDS_PWR 0x5062
202#define DEVICE_TYPE_LFP_LVDS_DUAL 0x5162
203#define DEVICE_TYPE_LFP_LVDS_DUAL_HDCP 0x51e2
204
205/* Add the device class for LFP, TV, HDMI */
206#define DEVICE_TYPE_INT_LFP 0x1022
207#define DEVICE_TYPE_INT_TV 0x1009
208#define DEVICE_TYPE_HDMI 0x60D2
209#define DEVICE_TYPE_DP 0x68C6
210#define DEVICE_TYPE_DP_DUAL_MODE 0x60D6
211#define DEVICE_TYPE_eDP 0x78C6
212
213#define DEVICE_TYPE_CLASS_EXTENSION (1 << 15)
214#define DEVICE_TYPE_POWER_MANAGEMENT (1 << 14)
215#define DEVICE_TYPE_HOTPLUG_SIGNALING (1 << 13)
216#define DEVICE_TYPE_INTERNAL_CONNECTOR (1 << 12)
217#define DEVICE_TYPE_NOT_HDMI_OUTPUT (1 << 11)
218#define DEVICE_TYPE_MIPI_OUTPUT (1 << 10)
219#define DEVICE_TYPE_COMPOSITE_OUTPUT (1 << 9)
220#define DEVICE_TYPE_DUAL_CHANNEL (1 << 8)
221#define DEVICE_TYPE_HIGH_SPEED_LINK (1 << 6)
222#define DEVICE_TYPE_LVDS_SIGNALING (1 << 5)
223#define DEVICE_TYPE_TMDS_DVI_SIGNALING (1 << 4)
224#define DEVICE_TYPE_VIDEO_SIGNALING (1 << 3)
225#define DEVICE_TYPE_DISPLAYPORT_OUTPUT (1 << 2)
226#define DEVICE_TYPE_DIGITAL_OUTPUT (1 << 1)
227#define DEVICE_TYPE_ANALOG_OUTPUT (1 << 0)
228
229/*
230 * Bits we care about when checking for DEVICE_TYPE_eDP. Depending on the
231 * system, the other bits may or may not be set for eDP outputs.
232 */
233#define DEVICE_TYPE_eDP_BITS \
234 (DEVICE_TYPE_INTERNAL_CONNECTOR | \
235 DEVICE_TYPE_MIPI_OUTPUT | \
236 DEVICE_TYPE_COMPOSITE_OUTPUT | \
237 DEVICE_TYPE_DUAL_CHANNEL | \
238 DEVICE_TYPE_LVDS_SIGNALING | \
239 DEVICE_TYPE_TMDS_DVI_SIGNALING | \
240 DEVICE_TYPE_VIDEO_SIGNALING | \
241 DEVICE_TYPE_DISPLAYPORT_OUTPUT | \
242 DEVICE_TYPE_ANALOG_OUTPUT)
243
244#define DEVICE_TYPE_DP_DUAL_MODE_BITS \
245 (DEVICE_TYPE_INTERNAL_CONNECTOR | \
246 DEVICE_TYPE_MIPI_OUTPUT | \
247 DEVICE_TYPE_COMPOSITE_OUTPUT | \
248 DEVICE_TYPE_LVDS_SIGNALING | \
249 DEVICE_TYPE_TMDS_DVI_SIGNALING | \
250 DEVICE_TYPE_VIDEO_SIGNALING | \
251 DEVICE_TYPE_DISPLAYPORT_OUTPUT | \
252 DEVICE_TYPE_DIGITAL_OUTPUT | \
253 DEVICE_TYPE_ANALOG_OUTPUT)
254
255#define DEVICE_CFG_NONE 0x00
256#define DEVICE_CFG_12BIT_DVOB 0x01
257#define DEVICE_CFG_12BIT_DVOC 0x02
258#define DEVICE_CFG_24BIT_DVOBC 0x09
259#define DEVICE_CFG_24BIT_DVOCB 0x0a
260#define DEVICE_CFG_DUAL_DVOB 0x11
261#define DEVICE_CFG_DUAL_DVOC 0x12
262#define DEVICE_CFG_DUAL_DVOBC 0x13
263#define DEVICE_CFG_DUAL_LINK_DVOBC 0x19
264#define DEVICE_CFG_DUAL_LINK_DVOCB 0x1a
265
266#define DEVICE_WIRE_NONE 0x00
267#define DEVICE_WIRE_DVOB 0x01
268#define DEVICE_WIRE_DVOC 0x02
269#define DEVICE_WIRE_DVOBC 0x03
270#define DEVICE_WIRE_DVOBB 0x05
271#define DEVICE_WIRE_DVOCC 0x06
272#define DEVICE_WIRE_DVOB_MASTER 0x0d
273#define DEVICE_WIRE_DVOC_MASTER 0x0e
274
275/* dvo_port pre BDB 155 */
276#define DEVICE_PORT_DVOA 0x00 /* none on 845+ */
277#define DEVICE_PORT_DVOB 0x01
278#define DEVICE_PORT_DVOC 0x02
279
280/* dvo_port BDB 155+ */
281#define DVO_PORT_HDMIA 0
282#define DVO_PORT_HDMIB 1
283#define DVO_PORT_HDMIC 2
284#define DVO_PORT_HDMID 3
285#define DVO_PORT_LVDS 4
286#define DVO_PORT_TV 5
287#define DVO_PORT_CRT 6
288#define DVO_PORT_DPB 7
289#define DVO_PORT_DPC 8
290#define DVO_PORT_DPD 9
291#define DVO_PORT_DPA 10
292#define DVO_PORT_DPE 11 /* 193 */
293#define DVO_PORT_HDMIE 12 /* 193 */
294#define DVO_PORT_DPF 13 /* N/A */
295#define DVO_PORT_HDMIF 14 /* N/A */
296#define DVO_PORT_DPG 15
297#define DVO_PORT_HDMIG 16
298#define DVO_PORT_MIPIA 21 /* 171 */
299#define DVO_PORT_MIPIB 22 /* 171 */
300#define DVO_PORT_MIPIC 23 /* 171 */
301#define DVO_PORT_MIPID 24 /* 171 */
302
303#define HDMI_MAX_DATA_RATE_PLATFORM 0 /* 204 */
304#define HDMI_MAX_DATA_RATE_297 1 /* 204 */
305#define HDMI_MAX_DATA_RATE_165 2 /* 204 */
306
307#define LEGACY_CHILD_DEVICE_CONFIG_SIZE 33
308
309/* DDC Bus DDI Type 155+ */
310enum vbt_gmbus_ddi {
311 DDC_BUS_DDI_B = 0x1,
312 DDC_BUS_DDI_C,
313 DDC_BUS_DDI_D,
314 DDC_BUS_DDI_F,
315 ICL_DDC_BUS_DDI_A = 0x1,
316 ICL_DDC_BUS_DDI_B,
317 TGL_DDC_BUS_DDI_C,
318 ICL_DDC_BUS_PORT_1 = 0x4,
319 ICL_DDC_BUS_PORT_2,
320 ICL_DDC_BUS_PORT_3,
321 ICL_DDC_BUS_PORT_4,
322 TGL_DDC_BUS_PORT_5,
323 TGL_DDC_BUS_PORT_6,
324};
325
326#define DP_AUX_A 0x40
327#define DP_AUX_B 0x10
328#define DP_AUX_C 0x20
329#define DP_AUX_D 0x30
330#define DP_AUX_E 0x50
331#define DP_AUX_F 0x60
332#define DP_AUX_G 0x70
333
334#define VBT_DP_MAX_LINK_RATE_HBR3 0
335#define VBT_DP_MAX_LINK_RATE_HBR2 1
336#define VBT_DP_MAX_LINK_RATE_HBR 2
337#define VBT_DP_MAX_LINK_RATE_LBR 3
338
339/*
340 * The child device config, aka the display device data structure, provides a
341 * description of a port and its configuration on the platform.
342 *
343 * The child device config size has been increased, and fields have been added
344 * and their meaning has changed over time. Care must be taken when accessing
345 * basically any of the fields to ensure the correct interpretation for the BDB
346 * version in question.
347 *
348 * When we copy the child device configs to dev_priv->vbt.child_dev, we reserve
349 * space for the full structure below, and initialize the tail not actually
350 * present in VBT to zeros. Accessing those fields is fine, as long as the
351 * default zero is taken into account, again according to the BDB version.
352 *
353 * BDB versions 155 and below are considered legacy, and version 155 seems to be
354 * a baseline for some of the VBT documentation. When adding new fields, please
355 * include the BDB version when the field was added, if it's above that.
356 */
357struct child_device_config {
358 u16 handle;
359 u16 device_type; /* See DEVICE_TYPE_* above */
360
361 union {
362 u8 device_id[10]; /* ascii string */
363 struct {
364 u8 i2c_speed;
365 u8 dp_onboard_redriver; /* 158 */
366 u8 dp_ondock_redriver; /* 158 */
367 u8 hdmi_level_shifter_value:5; /* 169 */
368 u8 hdmi_max_data_rate:3; /* 204 */
369 u16 dtd_buf_ptr; /* 161 */
370 u8 edidless_efp:1; /* 161 */
371 u8 compression_enable:1; /* 198 */
372 u8 compression_method_cps:1; /* 198 */
373 u8 ganged_edp:1; /* 202 */
374 u8 reserved0:4;
375 u8 compression_structure_index:4; /* 198 */
376 u8 reserved1:4;
377 u8 slave_port; /* 202 */
378 u8 reserved2;
379 } __packed;
380 } __packed;
381
382 u16 addin_offset;
383 u8 dvo_port; /* See DEVICE_PORT_* and DVO_PORT_* above */
384 u8 i2c_pin;
385 u8 slave_addr;
386 u8 ddc_pin;
387 u16 edid_ptr;
388 u8 dvo_cfg; /* See DEVICE_CFG_* above */
389
390 union {
391 struct {
392 u8 dvo2_port;
393 u8 i2c2_pin;
394 u8 slave2_addr;
395 u8 ddc2_pin;
396 } __packed;
397 struct {
398 u8 efp_routed:1; /* 158 */
399 u8 lane_reversal:1; /* 184 */
400 u8 lspcon:1; /* 192 */
401 u8 iboost:1; /* 196 */
402 u8 hpd_invert:1; /* 196 */
403 u8 use_vbt_vswing:1; /* 218 */
404 u8 flag_reserved:2;
405 u8 hdmi_support:1; /* 158 */
406 u8 dp_support:1; /* 158 */
407 u8 tmds_support:1; /* 158 */
408 u8 support_reserved:5;
409 u8 aux_channel;
410 u8 dongle_detect;
411 } __packed;
412 } __packed;
413
414 u8 pipe_cap:2;
415 u8 sdvo_stall:1; /* 158 */
416 u8 hpd_status:2;
417 u8 integrated_encoder:1;
418 u8 capabilities_reserved:2;
419 u8 dvo_wiring; /* See DEVICE_WIRE_* above */
420
421 union {
422 u8 dvo2_wiring;
423 u8 mipi_bridge_type; /* 171 */
424 } __packed;
425
426 u16 extended_type;
427 u8 dvo_function;
428 u8 dp_usb_type_c:1; /* 195 */
429 u8 tbt:1; /* 209 */
430 u8 flags2_reserved:2; /* 195 */
431 u8 dp_port_trace_length:4; /* 209 */
432 u8 dp_gpio_index; /* 195 */
433 u16 dp_gpio_pin_num; /* 195 */
434 u8 dp_iboost_level:4; /* 196 */
435 u8 hdmi_iboost_level:4; /* 196 */
436 u8 dp_max_link_rate:2; /* 216 CNL+ */
437 u8 dp_max_link_rate_reserved:6; /* 216 */
438} __packed;
439
440struct bdb_general_definitions {
441 /* DDC GPIO */
442 u8 crt_ddc_gmbus_pin;
443
444 /* DPMS bits */
445 u8 dpms_acpi:1;
446 u8 skip_boot_crt_detect:1;
447 u8 dpms_aim:1;
448 u8 rsvd1:5; /* finish byte */
449
450 /* boot device bits */
451 u8 boot_display[2];
452 u8 child_dev_size;
453
454 /*
455 * Device info:
456 * If TV is present, it'll be at devices[0].
457 * LVDS will be next, either devices[0] or [1], if present.
458 * On some platforms the number of device is 6. But could be as few as
459 * 4 if both TV and LVDS are missing.
460 * And the device num is related with the size of general definition
461 * block. It is obtained by using the following formula:
462 * number = (block_size - sizeof(bdb_general_definitions))/
463 * defs->child_dev_size;
464 */
465 u8 devices[];
466} __packed;
467
468/*
469 * Block 9 - SRD Feature Block
470 */
471
472struct psr_table {
473 /* Feature bits */
474 u8 full_link:1;
475 u8 require_aux_to_wakeup:1;
476 u8 feature_bits_rsvd:6;
477
478 /* Wait times */
479 u8 idle_frames:4;
480 u8 lines_to_wait:3;
481 u8 wait_times_rsvd:1;
482
483 /* TP wake up time in multiple of 100 */
484 u16 tp1_wakeup_time;
485 u16 tp2_tp3_wakeup_time;
486} __packed;
487
488struct bdb_psr {
489 struct psr_table psr_table[16];
490
491 /* PSR2 TP2/TP3 wakeup time for 16 panels */
492 u32 psr2_tp2_tp3_wakeup_time;
493} __packed;
494
495/*
496 * Block 12 - Driver Features Data Block
497 */
498
499#define BDB_DRIVER_FEATURE_NO_LVDS 0
500#define BDB_DRIVER_FEATURE_INT_LVDS 1
501#define BDB_DRIVER_FEATURE_SDVO_LVDS 2
502#define BDB_DRIVER_FEATURE_INT_SDVO_LVDS 3
503
504struct bdb_driver_features {
505 u8 boot_dev_algorithm:1;
506 u8 block_display_switch:1;
507 u8 allow_display_switch:1;
508 u8 hotplug_dvo:1;
509 u8 dual_view_zoom:1;
510 u8 int15h_hook:1;
511 u8 sprite_in_clone:1;
512 u8 primary_lfp_id:1;
513
514 u16 boot_mode_x;
515 u16 boot_mode_y;
516 u8 boot_mode_bpp;
517 u8 boot_mode_refresh;
518
519 u16 enable_lfp_primary:1;
520 u16 selective_mode_pruning:1;
521 u16 dual_frequency:1;
522 u16 render_clock_freq:1; /* 0: high freq; 1: low freq */
523 u16 nt_clone_support:1;
524 u16 power_scheme_ui:1; /* 0: CUI; 1: 3rd party */
525 u16 sprite_display_assign:1; /* 0: secondary; 1: primary */
526 u16 cui_aspect_scaling:1;
527 u16 preserve_aspect_ratio:1;
528 u16 sdvo_device_power_down:1;
529 u16 crt_hotplug:1;
530 u16 lvds_config:2;
531 u16 tv_hotplug:1;
532 u16 hdmi_config:2;
533
534 u8 static_display:1;
535 u8 reserved2:7;
536 u16 legacy_crt_max_x;
537 u16 legacy_crt_max_y;
538 u8 legacy_crt_max_refresh;
539
540 u8 hdmi_termination;
541 u8 custom_vbt_version;
542 /* Driver features data block */
543 u16 rmpm_enabled:1;
544 u16 s2ddt_enabled:1;
545 u16 dpst_enabled:1;
546 u16 bltclt_enabled:1;
547 u16 adb_enabled:1;
548 u16 drrs_enabled:1;
549 u16 grs_enabled:1;
550 u16 gpmt_enabled:1;
551 u16 tbt_enabled:1;
552 u16 psr_enabled:1;
553 u16 ips_enabled:1;
554 u16 reserved3:4;
555 u16 pc_feature_valid:1;
556} __packed;
557
558/*
559 * Block 22 - SDVO LVDS General Options
560 */
561
562struct bdb_sdvo_lvds_options {
563 u8 panel_backlight;
564 u8 h40_set_panel_type;
565 u8 panel_type;
566 u8 ssc_clk_freq;
567 u16 als_low_trip;
568 u16 als_high_trip;
569 u8 sclalarcoeff_tab_row_num;
570 u8 sclalarcoeff_tab_row_size;
571 u8 coefficient[8];
572 u8 panel_misc_bits_1;
573 u8 panel_misc_bits_2;
574 u8 panel_misc_bits_3;
575 u8 panel_misc_bits_4;
576} __packed;
577
578/*
579 * Block 23 - SDVO LVDS Panel DTDs
580 */
581
582struct lvds_dvo_timing {
583 u16 clock; /**< In 10khz */
584 u8 hactive_lo;
585 u8 hblank_lo;
586 u8 hblank_hi:4;
587 u8 hactive_hi:4;
588 u8 vactive_lo;
589 u8 vblank_lo;
590 u8 vblank_hi:4;
591 u8 vactive_hi:4;
592 u8 hsync_off_lo;
593 u8 hsync_pulse_width_lo;
594 u8 vsync_pulse_width_lo:4;
595 u8 vsync_off_lo:4;
596 u8 vsync_pulse_width_hi:2;
597 u8 vsync_off_hi:2;
598 u8 hsync_pulse_width_hi:2;
599 u8 hsync_off_hi:2;
600 u8 himage_lo;
601 u8 vimage_lo;
602 u8 vimage_hi:4;
603 u8 himage_hi:4;
604 u8 h_border;
605 u8 v_border;
606 u8 rsvd1:3;
607 u8 digital:2;
608 u8 vsync_positive:1;
609 u8 hsync_positive:1;
610 u8 non_interlaced:1;
611} __packed;
612
613struct bdb_sdvo_panel_dtds {
614 struct lvds_dvo_timing dtds[4];
615} __packed;
616
617/*
618 * Block 27 - eDP VBT Block
619 */
620
621#define EDP_18BPP 0
622#define EDP_24BPP 1
623#define EDP_30BPP 2
624#define EDP_RATE_1_62 0
625#define EDP_RATE_2_7 1
626#define EDP_LANE_1 0
627#define EDP_LANE_2 1
628#define EDP_LANE_4 3
629#define EDP_PREEMPHASIS_NONE 0
630#define EDP_PREEMPHASIS_3_5dB 1
631#define EDP_PREEMPHASIS_6dB 2
632#define EDP_PREEMPHASIS_9_5dB 3
633#define EDP_VSWING_0_4V 0
634#define EDP_VSWING_0_6V 1
635#define EDP_VSWING_0_8V 2
636#define EDP_VSWING_1_2V 3
637
638
639struct edp_fast_link_params {
640 u8 rate:4;
641 u8 lanes:4;
642 u8 preemphasis:4;
643 u8 vswing:4;
644} __packed;
645
646struct edp_pwm_delays {
647 u16 pwm_on_to_backlight_enable;
648 u16 backlight_disable_to_pwm_off;
649} __packed;
650
651struct edp_full_link_params {
652 u8 preemphasis:4;
653 u8 vswing:4;
654} __packed;
655
656struct bdb_edp {
657 struct edp_power_seq power_seqs[16];
658 u32 color_depth;
659 struct edp_fast_link_params fast_link_params[16];
660 u32 sdrrs_msa_timing_delay;
661
662 /* ith bit indicates enabled/disabled for (i+1)th panel */
663 u16 edp_s3d_feature; /* 162 */
664 u16 edp_t3_optimization; /* 165 */
665 u64 edp_vswing_preemph; /* 173 */
666 u16 fast_link_training; /* 182 */
667 u16 dpcd_600h_write_required; /* 185 */
668 struct edp_pwm_delays pwm_delays[16]; /* 186 */
669 u16 full_link_params_provided; /* 199 */
670 struct edp_full_link_params full_link_params[16]; /* 199 */
671} __packed;
672
673/*
674 * Block 40 - LFP Data Block
675 */
676
677/* Mask for DRRS / Panel Channel / SSC / BLT control bits extraction */
678#define MODE_MASK 0x3
679
680struct bdb_lvds_options {
681 u8 panel_type;
682 u8 panel_type2; /* 212 */
683 /* LVDS capabilities, stored in a dword */
684 u8 pfit_mode:2;
685 u8 pfit_text_mode_enhanced:1;
686 u8 pfit_gfx_mode_enhanced:1;
687 u8 pfit_ratio_auto:1;
688 u8 pixel_dither:1;
689 u8 lvds_edid:1;
690 u8 rsvd2:1;
691 u8 rsvd4;
692 /* LVDS Panel channel bits stored here */
693 u32 lvds_panel_channel_bits;
694 /* LVDS SSC (Spread Spectrum Clock) bits stored here. */
695 u16 ssc_bits;
696 u16 ssc_freq;
697 u16 ssc_ddt;
698 /* Panel color depth defined here */
699 u16 panel_color_depth;
700 /* LVDS panel type bits stored here */
701 u32 dps_panel_type_bits;
702 /* LVDS backlight control type bits stored here */
703 u32 blt_control_type_bits;
704
705 u16 lcdvcc_s0_enable; /* 200 */
706 u32 rotation; /* 228 */
707} __packed;
708
709/*
710 * Block 41 - LFP Data Table Pointers
711 */
712
713/* LFP pointer table contains entries to the struct below */
714struct lvds_lfp_data_ptr {
715 u16 fp_timing_offset; /* offsets are from start of bdb */
716 u8 fp_table_size;
717 u16 dvo_timing_offset;
718 u8 dvo_table_size;
719 u16 panel_pnp_id_offset;
720 u8 pnp_table_size;
721} __packed;
722
723struct bdb_lvds_lfp_data_ptrs {
724 u8 lvds_entries; /* followed by one or more lvds_data_ptr structs */
725 struct lvds_lfp_data_ptr ptr[16];
726} __packed;
727
728/*
729 * Block 42 - LFP Data Tables
730 */
731
732/* LFP data has 3 blocks per entry */
733struct lvds_fp_timing {
734 u16 x_res;
735 u16 y_res;
736 u32 lvds_reg;
737 u32 lvds_reg_val;
738 u32 pp_on_reg;
739 u32 pp_on_reg_val;
740 u32 pp_off_reg;
741 u32 pp_off_reg_val;
742 u32 pp_cycle_reg;
743 u32 pp_cycle_reg_val;
744 u32 pfit_reg;
745 u32 pfit_reg_val;
746 u16 terminator;
747} __packed;
748
749struct lvds_pnp_id {
750 u16 mfg_name;
751 u16 product_code;
752 u32 serial;
753 u8 mfg_week;
754 u8 mfg_year;
755} __packed;
756
757struct lvds_lfp_data_entry {
758 struct lvds_fp_timing fp_timing;
759 struct lvds_dvo_timing dvo_timing;
760 struct lvds_pnp_id pnp_id;
761} __packed;
762
763struct bdb_lvds_lfp_data {
764 struct lvds_lfp_data_entry data[16];
765} __packed;
766
767/*
768 * Block 43 - LFP Backlight Control Data Block
769 */
770
771#define BDB_BACKLIGHT_TYPE_NONE 0
772#define BDB_BACKLIGHT_TYPE_PWM 2
773
774struct lfp_backlight_data_entry {
775 u8 type:2;
776 u8 active_low_pwm:1;
777 u8 obsolete1:5;
778 u16 pwm_freq_hz;
779 u8 min_brightness;
780 u8 obsolete2;
781 u8 obsolete3;
782} __packed;
783
784struct lfp_backlight_control_method {
785 u8 type:4;
786 u8 controller:4;
787} __packed;
788
789struct bdb_lfp_backlight_data {
790 u8 entry_size;
791 struct lfp_backlight_data_entry data[16];
792 u8 level[16];
793 struct lfp_backlight_control_method backlight_control[16];
794} __packed;
795
796/*
797 * Block 44 - LFP Power Conservation Features Block
798 */
799
800struct als_data_entry {
801 u16 backlight_adjust;
802 u16 lux;
803} __packed;
804
805struct agressiveness_profile_entry {
806 u8 dpst_agressiveness : 4;
807 u8 lace_agressiveness : 4;
808} __packed;
809
810struct bdb_lfp_power {
811 u8 lfp_feature_bits;
812 struct als_data_entry als[5];
813 u8 lace_aggressiveness_profile;
814 u16 dpst;
815 u16 psr;
816 u16 drrs;
817 u16 lace_support;
818 u16 adt;
819 u16 dmrrs;
820 u16 adb;
821 u16 lace_enabled_status;
822 struct agressiveness_profile_entry aggressivenes[16];
823 u16 hobl; /* 232+ */
824} __packed;
825
826/*
827 * Block 52 - MIPI Configuration Block
828 */
829
830#define MAX_MIPI_CONFIGURATIONS 6
831
832struct bdb_mipi_config {
833 struct mipi_config config[MAX_MIPI_CONFIGURATIONS];
834 struct mipi_pps_data pps[MAX_MIPI_CONFIGURATIONS];
835} __packed;
836
837/*
838 * Block 53 - MIPI Sequence Block
839 */
840
841struct bdb_mipi_sequence {
842 u8 version;
843 u8 data[]; /* up to 6 variable length blocks */
844} __packed;
845
846/*
847 * Block 56 - Compression Parameters
848 */
849
850#define VBT_RC_BUFFER_BLOCK_SIZE_1KB 0
851#define VBT_RC_BUFFER_BLOCK_SIZE_4KB 1
852#define VBT_RC_BUFFER_BLOCK_SIZE_16KB 2
853#define VBT_RC_BUFFER_BLOCK_SIZE_64KB 3
854
855#define VBT_DSC_LINE_BUFFER_DEPTH(vbt_value) ((vbt_value) + 8) /* bits */
856#define VBT_DSC_MAX_BPP(vbt_value) (6 + (vbt_value) * 2)
857
858struct dsc_compression_parameters_entry {
859 u8 version_major:4;
860 u8 version_minor:4;
861
862 u8 rc_buffer_block_size:2;
863 u8 reserved1:6;
864
865 /*
866 * Buffer size in bytes:
867 *
868 * 4 ^ rc_buffer_block_size * 1024 * (rc_buffer_size + 1) bytes
869 */
870 u8 rc_buffer_size;
871 u32 slices_per_line;
872
873 u8 line_buffer_depth:4;
874 u8 reserved2:4;
875
876 /* Flag Bits 1 */
877 u8 block_prediction_enable:1;
878 u8 reserved3:7;
879
880 u8 max_bpp; /* mapping */
881
882 /* Color depth capabilities */
883 u8 reserved4:1;
884 u8 support_8bpc:1;
885 u8 support_10bpc:1;
886 u8 support_12bpc:1;
887 u8 reserved5:4;
888
889 u16 slice_height;
890} __packed;
891
892struct bdb_compression_parameters {
893 u16 entry_size;
894 struct dsc_compression_parameters_entry data[16];
895} __packed;
896
897/*
898 * Block 58 - Generic DTD Block
899 */
900
901struct generic_dtd_entry {
902 u32 pixel_clock;
903 u16 hactive;
904 u16 hblank;
905 u16 hfront_porch;
906 u16 hsync;
907 u16 vactive;
908 u16 vblank;
909 u16 vfront_porch;
910 u16 vsync;
911 u16 width_mm;
912 u16 height_mm;
913
914 /* Flags */
915 u8 rsvd_flags:6;
916 u8 vsync_positive_polarity:1;
917 u8 hsync_positive_polarity:1;
918
919 u8 rsvd[3];
920} __packed;
921
922struct bdb_generic_dtd {
923 u16 gdtd_size;
924 struct generic_dtd_entry dtd[]; /* up to 24 DTD's */
925} __packed;
926
927#endif /* _INTEL_VBT_DEFS_H_ */